X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bada28f00f12666ef31f0543cea2cde86b7935c7..85b43fbf7a512ea49cf491320c458bec705762ed:/src/msw/listbox.cpp diff --git a/src/msw/listbox.cpp b/src/msw/listbox.cpp index 19a8753d28..4d31896890 100644 --- a/src/msw/listbox.cpp +++ b/src/msw/listbox.cpp @@ -1,12 +1,12 @@ /////////////////////////////////////////////////////////////////////////////// -// Name: listbox.cpp +// Name: src/msw/listbox.cpp // Purpose: wxListBox // Author: Julian Smart // Modified by: Vadim Zeitlin (owner drawn stuff) // Created: // RCS-ID: $Id$ // Copyright: (c) Julian Smart -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -20,8 +20,7 @@ #pragma hdrstop #endif -#include "wx/window.h" -#include "wx/msw/private.h" +#if wxUSE_LISTBOX #ifndef WX_PRECOMP #include "wx/listbox.h" @@ -32,13 +31,10 @@ #include "wx/utils.h" #endif -#include +#include "wx/window.h" +#include "wx/msw/private.h" -#ifdef __WXWINE__ - #if defined(GetWindowStyle) - #undef GetWindowStyle - #endif -#endif +#include #include "wx/dynarray.h" #include "wx/log.h" @@ -47,40 +43,11 @@ #include "wx/ownerdrw.h" #endif -#ifndef __TWIN32__ - #ifdef __GNUWIN32_OLD__ - #include "wx/msw/gnuwin32/extra.h" - #endif +#ifdef __GNUWIN32_OLD__ + #include "wx/msw/gnuwin32/extra.h" #endif -#ifdef __WXWINE__ - #ifndef ListBox_SetItemData - #define ListBox_SetItemData(hwndCtl, index, data) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_SETITEMDATA, (WPARAM)(int)(index), (LPARAM)(data))) - #endif - #ifndef ListBox_GetHorizontalExtent - #define ListBox_GetHorizontalExtent(hwndCtl) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETHORIZONTALEXTENT, 0L, 0L)) - #endif - #ifndef ListBox_GetSelCount - #define ListBox_GetSelCount(hwndCtl) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETSELCOUNT, 0L, 0L)) - #endif - #ifndef ListBox_GetSelItems - #define ListBox_GetSelItems(hwndCtl, cItems, lpItems) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETSELITEMS, (WPARAM)(int)(cItems), (LPARAM)(int *)(lpItems))) - #endif - #ifndef ListBox_GetTextLen - #define ListBox_GetTextLen(hwndCtl, index) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETTEXTLEN, (WPARAM)(int)(index), 0L)) - #endif - #ifndef ListBox_GetText - #define ListBox_GetText(hwndCtl, index, lpszBuffer) \ - ((int)(DWORD)SendMessage((hwndCtl), LB_GETTEXT, (WPARAM)(int)(index), (LPARAM)(LPCTSTR)(lpszBuffer))) - #endif -#endif - - IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) +IMPLEMENT_DYNAMIC_CLASS(wxListBox, wxControl) // ============================================================================ // list box item declaration and implementation @@ -91,7 +58,7 @@ class wxListBoxItem : public wxOwnerDrawn { public: - wxListBoxItem(const wxString& str = ""); + wxListBoxItem(const wxString& str = wxEmptyString); }; wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE) @@ -100,7 +67,7 @@ wxListBoxItem::wxListBoxItem(const wxString& str) : wxOwnerDrawn(str, FALSE) SetMarginWidth(0); } -wxOwnerDrawn *wxListBox::CreateItem(size_t n) +wxOwnerDrawn *wxListBox::CreateLboxItem(size_t WXUNUSED(n)) { return new wxListBoxItem(); } @@ -143,8 +110,7 @@ bool wxListBox::Create(wxWindow *parent, if (parent) parent->AddChild(this); - wxSystemSettings settings; - SetBackgroundColour(settings.GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); SetForegroundColour(parent->GetForegroundColour()); m_windowId = ( id == -1 ) ? (int)NewControlId() : id; @@ -155,8 +121,18 @@ bool wxListBox::Create(wxWindow *parent, int height = size.y; m_windowStyle = style; - DWORD wstyle = WS_VISIBLE | WS_VSCROLL | WS_TABSTOP | - LBS_NOTIFY | LBS_HASSTRINGS /* | WS_CLIPSIBLINGS */; + DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_VSCROLL | WS_TABSTOP | + LBS_NOTIFY | LBS_HASSTRINGS ; + + wxASSERT_MSG( !(style & wxLB_MULTIPLE) || !(style & wxLB_EXTENDED), + _T("only one of listbox selection modes can be specified") ); + + if ( (m_windowStyle & wxBORDER_MASK) == wxBORDER_DEFAULT ) + m_windowStyle |= wxBORDER_SUNKEN; + + if ( m_windowStyle & wxCLIP_SIBLINGS ) + wstyle |= WS_CLIPSIBLINGS; + if (m_windowStyle & wxLB_MULTIPLE) wstyle |= LBS_MULTIPLESEL; else if (m_windowStyle & wxLB_EXTENDED) @@ -180,32 +156,17 @@ bool wxListBox::Create(wxWindow *parent, // doesn't work properly wstyle |= LBS_NOINTEGRALHEIGHT; - bool want3D; - WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D); - - // Even with extended styles, need to combine with WS_BORDER for them to - // look right. - if ( want3D || wxStyleHasBorder(m_windowStyle) ) - { - wstyle |= WS_BORDER; - } + WXDWORD exStyle = 0; + (void) MSWGetStyle(m_windowStyle, & exStyle) ; m_hWnd = (WXHWND)::CreateWindowEx(exStyle, wxT("LISTBOX"), NULL, - wstyle | WS_CHILD, + wstyle , 0, 0, 0, 0, (HWND)parent->GetHWND(), (HMENU)m_windowId, wxGetInstance(), NULL); wxCHECK_MSG( m_hWnd, FALSE, wxT("Failed to create listbox") ); -#if wxUSE_CTL3D - if (want3D) - { - Ctl3dSubclassCtl(GetHwnd()); - m_useCtl3D = TRUE; - } -#endif - // Subclass again to catch messages SubclassWin(m_hWnd); @@ -231,7 +192,7 @@ wxListBox::~wxListBox() void wxListBox::SetupColours() { - SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOW)); + SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); SetForegroundColour(GetParent()->GetForegroundColour()); } @@ -265,7 +226,7 @@ void wxListBox::Delete(int N) SendMessage(GetHwnd(), LB_DELETESTRING, N, 0); m_noItems--; - SetHorizontalExtent(""); + SetHorizontalExtent(wxEmptyString); } int wxListBox::DoAppend(const wxString& item) @@ -275,13 +236,13 @@ int wxListBox::DoAppend(const wxString& item) #if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { - wxOwnerDrawn *pNewItem = CreateItem(index); // dummy argument + wxOwnerDrawn *pNewItem = CreateLboxItem(index); // dummy argument pNewItem->SetName(item); - m_aItems.Add(pNewItem); + m_aItems.Insert(pNewItem, index); ListBox_SetItemData(GetHwnd(), index, pNewItem); pNewItem->SetFont(GetFont()); } -#endif +#endif // wxUSE_OWNER_DRAWN SetHorizontalExtent(item); @@ -306,31 +267,18 @@ void wxListBox::DoSetItems(const wxArrayString& choices, void** clientData) ListBox_AddString(GetHwnd(), choices[i]); if ( clientData ) { -#if wxUSE_OWNER_DRAWN - if ( m_windowStyle & wxLB_OWNERDRAW ) - { - wxASSERT_MSG(clientData[i] == NULL, - wxT("Can't use client data with owner-drawn listboxes")); - } - ListBox_SetItemData(GetHwnd(), i, clientData[i]); -#else // !wxUSE_OWNER_DRAWN - ListBox_SetItemData(GetHwnd(), i, clientData[i]); -#endif // wxUSE_OWNER_DRAWN/!wxUSE_OWNER_DRAWN + SetClientData(i, clientData[i]); } } #if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { // first delete old items - size_t ui = m_aItems.Count(); - while ( ui-- != 0 ) { - delete m_aItems[ui]; - } - m_aItems.Empty(); + WX_CLEAR_ARRAY(m_aItems); // then create new ones - for ( ui = 0; ui < (size_t)m_noItems; ui++ ) { - wxOwnerDrawn *pNewItem = CreateItem(ui); + for ( size_t ui = 0; ui < (size_t)m_noItems; ui++ ) { + wxOwnerDrawn *pNewItem = CreateLboxItem(ui); pNewItem->SetName(choices[ui]); m_aItems.Add(pNewItem); ListBox_SetItemData(GetHwnd(), ui, pNewItem); @@ -371,12 +319,7 @@ void wxListBox::Free() #if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) { - size_t uiCount = m_aItems.Count(); - while ( uiCount-- != 0 ) { - delete m_aItems[uiCount]; - } - - m_aItems.Clear(); + WX_CLEAR_ARRAY(m_aItems); } else #endif // wxUSE_OWNER_DRAWN @@ -448,11 +391,6 @@ void wxListBox::DoSetItemClientData(int n, void *clientData) wxLogDebug(wxT("LB_SETITEMDATA failed")); } -bool wxListBox::HasMultipleSelection() const -{ - return (m_windowStyle & wxLB_MULTIPLE) || (m_windowStyle & wxLB_EXTENDED); -} - // Return number of selections and an array of selected integers int wxListBox::GetSelections(wxArrayInt& aSelections) const { @@ -460,21 +398,32 @@ int wxListBox::GetSelections(wxArrayInt& aSelections) const if ( HasMultipleSelection() ) { - int no_sel = ListBox_GetSelCount(GetHwnd()); - if (no_sel != 0) { - int *selections = new int[no_sel]; - int rc = ListBox_GetSelItems(GetHwnd(), no_sel, selections); - - wxCHECK_MSG(rc != LB_ERR, -1, wxT("ListBox_GetSelItems failed")); + int countSel = ListBox_GetSelCount(GetHwnd()); + if ( countSel == LB_ERR ) + { + wxLogDebug(_T("ListBox_GetSelCount failed")); + } + else if ( countSel != 0 ) + { + int *selections = new int[countSel]; - aSelections.Alloc(no_sel); - for ( int n = 0; n < no_sel; n++ ) - aSelections.Add(selections[n]); + if ( ListBox_GetSelItems(GetHwnd(), + countSel, selections) == LB_ERR ) + { + wxLogDebug(wxT("ListBox_GetSelItems failed")); + countSel = -1; + } + else + { + aSelections.Alloc(countSel); + for ( int n = 0; n < countSel; n++ ) + aSelections.Add(selections[n]); + } delete [] selections; } - return no_sel; + return countSel; } else // single-selection listbox { @@ -498,7 +447,7 @@ int wxListBox::GetSelection() const // Find string for position wxString wxListBox::GetString(int N) const { - wxCHECK_MSG( N >= 0 && N < m_noItems, "", + wxCHECK_MSG( N >= 0 && N < m_noItems, wxEmptyString, wxT("invalid index in wxListBox::GetClientData") ); int len = ListBox_GetTextLen(GetHwnd(), N); @@ -519,7 +468,22 @@ wxListBox::DoInsertItems(const wxArrayString& items, int pos) int nItems = items.GetCount(); for ( int i = 0; i < nItems; i++ ) - ListBox_InsertString(GetHwnd(), i + pos, items[i]); + { + int idx = ListBox_InsertString(GetHwnd(), i + pos, items[i]); + +#if wxUSE_OWNER_DRAWN + if ( m_windowStyle & wxLB_OWNERDRAW ) + { + wxOwnerDrawn *pNewItem = CreateLboxItem(idx); + pNewItem->SetName(items[i]); + pNewItem->SetFont(GetFont()); + m_aItems.Insert(pNewItem, idx); + + ListBox_SetItemData(GetHwnd(), idx, pNewItem); + } +#endif // wxUSE_OWNER_DRAWN + } + m_noItems += nItems; SetHorizontalExtent(); @@ -535,9 +499,9 @@ void wxListBox::SetString(int N, const wxString& s) void *oldData = NULL; wxClientData *oldObjData = NULL; - if ( m_clientDataItemsType == ClientData_Void ) + if ( m_clientDataItemsType == wxClientData_Void ) oldData = GetClientData(N); - else if ( m_clientDataItemsType == ClientData_Object ) + else if ( m_clientDataItemsType == wxClientData_Object ) oldObjData = GetClientObject(N); // delete and recreate it @@ -561,8 +525,13 @@ void wxListBox::SetString(int N, const wxString& s) #if wxUSE_OWNER_DRAWN if ( m_windowStyle & wxLB_OWNERDRAW ) + { // update item's text m_aItems[N]->SetName(s); + + // reassign the item's data + ListBox_SetItemData(GetHwnd(), N, m_aItems[N]); + } #endif //USE_OWNER_DRAWN } @@ -657,7 +626,10 @@ wxSize wxListBox::DoGetBestSize() const wListbox += 3*cx; - int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)*(wxMax(m_noItems, 7)); + // don't make the listbox too tall (limit height to 10 items) but don't + // make it too small neither + int hListbox = EDIT_HEIGHT_FROM_CHAR_HEIGHT(cy)* + wxMin(wxMax(m_noItems, 3), 10); return wxSize(wListbox, hListbox); } @@ -686,20 +658,17 @@ bool wxListBox::MSWCommand(WXUINT param, WXWORD WXUNUSED(id)) wxCommandEvent event(evtType, m_windowId); event.SetEventObject( this ); - wxArrayInt aSelections; - int n, count = GetSelections(aSelections); - if ( count > 0 ) + // retrieve the affected item + int n = SendMessage(GetHwnd(), LB_GETCARETINDEX, 0, 0); + if ( n != LB_ERR ) { - n = aSelections[0]; if ( HasClientObjectData() ) event.SetClientObject( GetClientObject(n) ); else if ( HasClientUntypedData() ) event.SetClientData( GetClientData(n) ); + event.SetString( GetString(n) ); - } - else - { - n = -1; + event.SetExtraLong( HasMultipleSelection() ? IsSelected(n) : TRUE ); } event.m_commandInt = n; @@ -736,7 +705,7 @@ bool wxListBox::MSWOnMeasure(WXMEASUREITEMSTRUCT *item) wxDC dc; dc.SetHDC((WXHDC)hdc); - dc.SetFont(wxSystemSettings::GetSystemFont(wxSYS_ANSI_VAR_FONT)); + dc.SetFont(wxSystemSettings::GetFont(wxSYS_ANSI_VAR_FONT)); pStruct->itemHeight = dc.GetCharHeight() + 2*OWNER_DRAWN_LISTBOX_EXTRA_SPACE; pStruct->itemWidth = dc.GetCharWidth(); @@ -767,15 +736,15 @@ bool wxListBox::MSWOnDraw(WXDRAWITEMSTRUCT *item) wxListBoxItem *pItem = (wxListBoxItem *)data; - wxDC dc; - dc.SetHDC((WXHDC)pStruct->hDC, FALSE); + wxDCTemp dc((WXHDC)pStruct->hDC); wxRect rect(wxPoint(pStruct->rcItem.left, pStruct->rcItem.top), wxPoint(pStruct->rcItem.right, pStruct->rcItem.bottom)); return pItem->OnDrawItem(dc, rect, - (wxOwnerDrawn::wxODAction)pStruct->itemAction, - (wxOwnerDrawn::wxODStatus)pStruct->itemState); + (wxOwnerDrawn::wxODAction)pStruct->itemAction, + (wxOwnerDrawn::wxODStatus)pStruct->itemState); } -#endif - // wxUSE_OWNER_DRAWN +#endif // wxUSE_OWNER_DRAWN + +#endif // wxUSE_LISTBOX